DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
MUNICIPALITY OF TIGBAO, ZAMBOANGA DEL SUR Award a ₱1.5M contract to OPTIMA BUILDERS CORPORATIONMunicipalities
Transaction hash:
00d3f223786b34a49ce2bfc07b42a3843780d4a2a264658b717e9ef417546f66
Status:
Included and unchanged
Block:
#4,730 1,283 blocks after it
Position in block:
Transaction 0 of 8
Award day:
Feb 26, 2022 (4 yrs 8 mo ago)
Value:
₱1,495,000.00
Project:
Establishment of Isolation Facility Phase II
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,730 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)MUNICIPALITY OF TIGBAO, ZAMBOANGA DEL SUR awarded it to OPTIMA BUILDERS CORPORATION on 2022-02-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Tigbao gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 00d3f22378…546f66now …
- 2. Block Merkle root changedstored 5de9882abf…f5df5anow …
- 3. Block #4730 hash changedstored be5b46632e…91b499now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.
- leaf 00d3f223786b34a49ce2bfc07b42a3843780d4a2a264658b717e9ef417546f66
- 01 R 426b59d2bb3679c448d654b85a8347c2b81d04bea265a051eec5c8c861a4b7fa
- 02 R 5cc926c9dd5067420fe2098caf0bbdb3013e49b77659f4d6aeec11bacd787267
- 03 R d33eb9d1921341a99519f3c56bf1f90efd751dbdb6f88347e18c0990932f65ab
- root 5de9882abfc07e7b8203ecb5cfc30d4b7e153fe1063496456cb19b1db8f5df5a